A cold frame is easy to make at home using salvaged materials. The only tools required are a drill and a screwdriver.

A: The simplest pattern consists of four boards built into a long box and then build a cold frame on top, with at least 8 inches on the front side and 16 inches on the back side for a cold frame ...

Cold frames are season-extending covers constructed over vegetable beds to keep the frost off. Like a miniature, temporary greenhouse, they are employed in early spring to create a warm space for ...

A cold frame is nothing more than a bottomless box with an affixed lid that transmits light. The theory is that sunlight enters during the day and heats the soil and air inside.